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DirectPlay: Move initialisation of discovery socket.

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Initialise the discovery socket when SP_CreatePlayer() is called with the
CREATEPLAYER_NS flag and do nothing in SP_Open, as per the DX5 implementation.

This will correctly handle the name server moving between nodes in a session.
This commit is contained in:
Daniel Collins 2015-08-19 23:29:22 +01:00
parent dbfdae63d2
commit c6b505fee9
1 changed files with 78 additions and 52 deletions
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130
src/directplay.c
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@ -205,6 +205,65 @@ static BOOL init_main_socket(struct sp_data *sp_data)
return TRUE;
}
static BOOL init_disc_socket(struct sp_data *sp_data)
{
if(sp_data->ns_sock == -1)
{
int sock = socket(AF_IPX, SOCK_DGRAM, NSPROTO_IPX);
if(sock == -1)
{
log_printf(LOG_ERROR,
"Error creating IPX socket: %s", w32_error(WSAGetLastError()));
return FALSE;
}
BOOL t_bool = TRUE;
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char*)&t_bool, sizeof(BOOL));
setsockopt(sock, SOL_SOCKET, SO_BROADCAST, (char*)&t_bool, sizeof(BOOL));
/* Get the address of the main socket, use it to bind
* to the discovery port on the right net/node.
*/
struct sockaddr_ipx addr;
int addrlen = sizeof(addr);
if(getsockname(sp_data->sock, (struct sockaddr*)(&addr), &addrlen) == -1)
{
log_printf(LOG_ERROR,
"getsockname: %s", w32_error(WSAGetLastError()));
closesocket(sock);
return FALSE;
}
addr.sa_socket = htons(DISCOVERY_SOCKET);
if(bind(sock, (struct sockaddr*)(&addr), sizeof(addr)) == -1)
{
log_printf(LOG_ERROR,
"Cannot bind DP discovery socket: %s", w32_error(WSAGetLastError()));
closesocket(sock);
return FALSE;
}
if(WSAEventSelect(sock, sp_data->event, FD_READ) == -1)
{
log_printf(LOG_ERROR,
"WSAEventSelect: %s", w32_error(WSAGetLastError()));
closesocket(sock);
return FALSE;
}
sp_data->ns_sock = sock;
}
return TRUE;
}
static HRESULT WINAPI IPX_EnumSessions(LPDPSP_ENUMSESSIONSDATA data) {
CALL("SP_EnumSessions");
@ -412,6 +471,17 @@ static HRESULT WINAPI IPX_CreatePlayer(LPDPSP_CREATEPLAYERDATA data) {
if(data->dwFlags & CREATEPLAYER_SELF)
{
if(data->dwFlags & CREATEPLAYER_NS)
{
/* We are becoming the name server, initialise the name
* server socket used to receive discovery packets.
*/
struct sp_data *sp_data = get_sp_data(data->lpISP);
init_disc_socket(sp_data);
release_sp_data(sp_data);
}
/* This is a local player ID, initialise the shared player data
* with our socket address.
*/
@ -514,58 +584,14 @@ static HRESULT WINAPI IPX_Open(LPDPSP_OPENDATA data) {
return DPERR_GENERIC;
}
if(data->bCreate) {
if(sp_data->ns_sock == -1) {
if((sp_data->ns_sock = socket(AF_IPX, SOCK_DGRAM, NSPROTO_IPX)) == -1) {
release_sp_data(sp_data);
log_printf(LOG_ERROR, "Cannot create ns_sock: %s", w32_error(WSAGetLastError()));
return DPERR_CANNOTCREATESERVER;
}
BOOL t_bool = TRUE;
setsockopt(sp_data->ns_sock, SOL_SOCKET, SO_REUSEADDR, (char*)&t_bool, sizeof(BOOL));
setsockopt(sp_data->ns_sock, SOL_SOCKET, SO_BROADCAST, (char*)&t_bool, sizeof(BOOL));
/* Get the address of the main socket, use it to bind
* to the discovery port on the right net/node.
*/
struct sockaddr_ipx addr;
int addrlen = sizeof(addr);
if(getsockname(sp_data->sock, (struct sockaddr*)(&addr), &addrlen) == -1)
{
log_printf(LOG_ERROR,
"getsockname: %s", w32_error(WSAGetLastError()));
release_sp_data(sp_data);
return DPERR_GENERIC;
}
addr.sa_socket = htons(DISCOVERY_SOCKET);
if(bind(sp_data->ns_sock, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
closesocket(sp_data->ns_sock);
sp_data->ns_sock = -1;
release_sp_data(sp_data);
log_printf(LOG_ERROR, "Cannot bind ns_sock: %s", w32_error(WSAGetLastError()));
return DPERR_CANNOTCREATESERVER;
}
if(WSAEventSelect(sp_data->ns_sock, sp_data->event, FD_READ) == -1) {
closesocket(sp_data->ns_sock);
sp_data->ns_sock = -1;
release_sp_data(sp_data);
log_printf(LOG_ERROR, "WSAEventSelect failed: %s", w32_error(WSAGetLastError()));
return DPERR_CANNOTCREATESERVER;
}
}
}else if(data->lpSPMessageHeader) {
if(data->bCreate)
{
/* Don't initialise the name server socket here - it gets done
* when SP_CreatePlayer is called with CREATEPLAYER_NS instead.
*/
}
else if(data->lpSPMessageHeader)
{
memcpy(&(sp_data->ns_addr), data->lpSPMessageHeader, sizeof(struct sockaddr_ipx));
sp_data->ns_id = 0;
}